AirHint found the following cheapest return flights from Santander (SDR) to Charleroi (CRL) in September 2026 (see full year).
Return flights
| 08 Sep - 12 Sep | Ryanair | direct | |
| 12 Sep - 19 Sep | Ryanair | direct | |
| 08 Sep - 19 Sep | Ryanair | direct | |
| 04 Sep - 08 Sep | Vueling Airlines | ||
| 07 Sep - 11 Sep | Iberia |
Also check the deals for one-way flights from Santander to Charleroi in September.
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